Heat dissipation device

ABSTRACT

A heat dissipation device has an inlet pipeline, an outlet pipeline, at least one heat-dissipating unit and at least one actuator. Each of the at least one heat-dissipating unit is connected to the inlet pipeline and the outlet pipeline and includes multiple heat-dissipating elements being connected to each other. The at least one actuator is mounted on the inlet pipeline. The heat dissipation device is mounted around a large-sized electronic appliance to absorb and dissipate the heat generated by the large-sized electronic appliance so as to effectively reduce the working temperature of the electronic appliance to normal level. Therefore, the large-sized electronic appliance can work safely and is power-saving and environmental friendly.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The invention relates to a heat dissipation device, and more particularly to a heat dissipation device for cooling a large-sized electronic appliance.

2. Description of Related Art

Large-sized electronic appliances, such as workstations or servers produce heat during operation to cause the working temperature of the electronic appliances becoming high. When the working temperature of a large-sized electronic appliance achieves a high level, the electronic appliance is easily damaged. Therefore, how to keep the working temperature of the large-sized electronic appliance at a controlled level is a very important issue.

To reduce the working temperature of a large-sized electronic appliance, an air conditioner is always used to make the large-sized electronic appliance working at a good condition and release hot air with carbon dioxide to cause acceleration of global warming.

SUMMARY OF THE INVENTION

An objective of the invention is to provide a heat dissipation device to dissipate the heat produced by a large-sized electronic appliance.

The heat dissipation device is filled with a coolant and comprises an inlet pipeline, an outlet pipeline, at least one heat-dissipating unit and at least one actuator. Each of the at least one heat-dissipating unit includes multiple heat-dissipating elements, an inlet tube and an outlet tube. The heat-dissipating elements are connected to each other via tubes. The inlet tube is connected with the inlet pipeline and the outlet tube is connected with the outlet pipeline. The at least one actuator is mounted on the inlet pipeline to drive the coolant flowing through the heat dissipation device.

The heat dissipation device is mounted on a large-sized electronic appliance to absorb and dissipate the heat generated by the large-sized electronic appliance with the at least one heat-dissipating unit. Thus, the heat dissipation device can effectively reduce the working temperature of the electronic appliance to an optimal level and is power-saving and environmental friendly.

Other objectives, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an operational perspective view of the heat-dissipating elements of a first embodiment of a heat dissipation device in accordance with the present invention;

FIG. 2 is a schematic diagram of the heat dissipation device in FIG. 1, showing a first heat-dissipating element and a second heat-dissipating element connected in parallel;

FIG. 3 is an operational schematic diagram of the heat dissipation device in FIG. 1, showing flow path of the coolant;

FIG. 4 is a schematic diagram of the heat dissipation device in FIG. 1, showing a first heat-dissipating element and a second heat-dissipating element connected in series;

FIG. 5 is a schematic diagram of the heat dissipation device in FIG. 1, showing flow path;

FIG. 6 is a schematic diagram of the heat dissipation device in FIG. 1, showing a first heat-dissipating element, a second heat-dissipating element and a third heat-dissipating element connected in parallel;

FIG. 7 is a schematic diagram of the heat dissipation device in FIG. 1, showing a first heat-dissipating element, a second heat-dissipating element and a third heat-dissipating element connected in series; and

FIG. 8 is a schematic diagram of the heat dissipation device in FIG. 1, showing the heat dissipation device used around a large-sized electronic appliance.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

With reference to FIGS. 1 and 2, a heat dissipation device in accordance with the present invention comprises an inlet pipeline 10, an outlet pipeline 20, at least one heat-dissipating unit 30 and at least one actuator 40.

Each of the at least one heat-dissipating unit 30 includes multiple heat-dissipating elements 31,32, an inlet tube 33 and an outlet tube 34. The heat-dissipating elements 31,32 filled with coolant are connected with each other in parallel via tubes 70. The inlet tube 33 is connected to the heat-dissipating units 31,32 with the tubes 70 and the inlet pipeline 10. The outlet tube 34 is connected to the heat-dissipating units 31,32 with the tubes 70 and the outlet pipeline 20. The inlet pipeline 10 and the outlet pipeline 20 are further connected to a chiller to form a coolant cycle.

The at least one actuator 40 is mounted on the inlet pipeline 10 and drives the coolant to flow through the heat-dissipating elements 31,32 of the at least one heat-dissipating unit 30.

With reference to FIGS. 1 and 2, in a preferred embodiment, each of the at least one heat-dissipating unit 30 includes a first heat-dissipating element 31 and a second heat-dissipating element 32. Each heat-dissipating element 31,32 comprises multiple cooling fins 35. The first heat-dissipating element 31 has a first inlet end 36 and a first outlet end 37. The second heat-dissipating element 32 has a second inlet end 38 and a second outlet end 39.

With reference to FIGS. 2 and 3, the first heat-dissipating element 31 is connected to the second heat-dissipating element 32 in parallel via tubes 70. The first inlet end 36 of the first heat-dissipating element 31 is connected to the inlet tube 33 and the second inlet end 38 of the second heat-dissipating element 32. The first outlet end 37 of the first heat-dissipating element 31 is connected to the second outlet end 39 of the second heat-dissipating element 32 and the outlet tube 34. The at least one actuator 40 drives the coolant in the inlet pipeline 10 to flow through the first heat-dissipating element 31 and the second heat-dissipating element 32 simultaneously and into the outlet pipeline 20.

With reference to FIGS. 4 and 5, the first heat-dissipating element 31 is connected to the second heat-dissipating element 32 in series. The first inlet end 36 of the first heat-dissipating element 31 is connected to the inlet tube 33. The first outlet end 37 of the first heat-dissipating element 31 is connected to the second inlet end 38 of the second heat-dissipating element 32. The second outlet end 39 of the second heat-dissipating element 32 is connected to the outlet tube 34. The at least one actuator 40 drives the coolant in the inlet pipeline 10 to flow through the first heat-dissipating element 31, the second heat-dissipating element 32 in sequence and into the outlet pipeline 20.

Moreover, the heat dissipation device comprises multiple heat-dissipating devices 30. In some of the heat-dissipating devices 30, the first heat-dissipating element 31 is connected to the second heat-dissipating element 32 in parallel. In the other heat-dissipating devices 30, the first heat-dissipating element 31 is connected to the second heat-dissipating element 32 in series.

With reference to FIG. 6, in another preferred embodiment, each of the at least one heat-dissipating unit 30 further comprises a third heat-dissipating element 80. The third heat-dissipating element 80 has a third inlet end 81 and a third outlet end 82.

The first heat-dissipating element 31, the second heat-dissipating element 32 and the third heat-dissipating element 80 are connected to each other in parallel via tubes 70. The inlet tube 33 is connected to the first inlet end 36, the second inlet end 38 and the third inlet end 81 via tubes 70. The outlet tube 34 is connected to the first outlet end 37, the second outlet end 39 and the third outlet end 82 via tubes 70.

With reference to FIG. 7, the first heat-dissipating element 31, the second heat-dissipating element 32 and the third heat-dissipating element 80 are connected to each other in series via tubes 70. The inlet tube 33 is connected to the first inlet end 36 of the first heat-dissipating element 31. The first outlet end 37 of the first heat-dissipating element 31 is connected to the second inlet end 38 of the second heat-dissipating element 32. The second outlet end 39 of the second heat-dissipating element 32 is connected to the third inlet end 81 of the third heat-dissipating element 80, and the third outlet end 82 of the third heat-dissipating element 80 is connected to the outlet tube 34.

With reference to FIG. 8, in use, the heat dissipation device in accordance with the present invention is mounted on a large-sized electronic appliance 50. At least one fan 60 is mounted between the heat dissipation device and the large-sized electronic appliance 50 to increase a convection of heat generated by the large-sized electronic appliance 50. The coolant in the inlet pipeline 10 is driven by the at least one actuator 40 and flows through the first heat-dissipating element 31 and the second heat-dissipating element 32. The at least one fan 60 blows air to flow through the large-sized electronic appliance 50 and to absorb the heat generated by the large-sized electronic appliance 50, and the air at a high temperature is then blown toward and through the heat-dissipating elements 31,32 of the at least one heat-dissipating unit 30. Accordingly, the heat in the high temperature air can be absorbed by the coolant in the at least one heat-dissipating unit 30, and the air can be cooled down. The coolant that absorbs the heat generated by the large-sized electronic appliance 50 can be cooled by the chiller that is connected to the outlet pipeline 20 and then is led into the inlet pipeline 10 again.

Accordingly, the heat dissipation device in accordance with the present invention can absorb and dissipate the heat generated by the large-sized electronic appliance 50 by the heat-dissipating elements 31,32,80 of the at least one heat-dissipating unit 30 mounted on the large-sized electronic appliance 50 to reduce effectively the working temperature of the electronic appliance 50 to an optimal level. Thus, the large-sized electronic appliance 50 can work at a good condition. Furthermore, the heat dissipation device in accordance with the present invention is power-saving and environmental friendly.

Even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only. Changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed. 

1. A heat dissipation device comprising: an inlet pipeline; an outlet pipeline; at least one heat-dissipating device connected between the inlet and outlet pipelines, and each one of the at least one heat-dissipating unit comprising multiple heat-dissipating elements connected with each other via tubes; an inlet tube connected to the inlet pipeline and at least one of the heat-dissipating elements; an outlet tube connected to the outlet pipeline and at least one of the heat-dissipating elements; and at least one actuator mounted in the inlet pipeline.
 2. The heat dissipation device as claimed in claim 1, wherein each one of the at least one heat-dissipating unit comprising a first heat-dissipating element comprising multiple cooling fins and having a first inlet end and a first outlet end; and a second heat-dissipating element comprising multiple cooling fins and having a second inlet end and a second outlet end.
 3. The heat dissipation device as claimed in claim 2, wherein the first heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the second heat-dissipating element of the at least one heat-dissipating unit in parallel; the first inlet end of the first heat-dissipating element and the second inlet end of the second heat-dissipating element of each one of the at least one heat-dissipating unit are connected to the inlet tube of the heat-dissipating unit; and the first outlet end of the first heat-dissipating element and the second outlet end of the second heat-dissipating element of each one of the at least one heat-dissipating unit are connected to the outlet tube of the heat-dissipating unit.
 4. The heat dissipation device as claimed in claim 2, wherein the first heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the second heat-dissipating element of the heat-dissipating unit in series; the first inlet end of the first heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the inlet tube of the heat-dissipating unit; the first outlet end of the first heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the second inlet end of the second heat-dissipating element of the heat-dissipating unit; and the second outlet end of the second heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the outlet tube of the heat-dissipating unit.
 5. The heat dissipation device as claimed in claim 2, wherein the heat dissipation device comprises multiple heat-dissipating units.
 6. The heat dissipation device as claimed in claim 5, wherein the first heat-dissipating element of each heat-dissipating unit is connected to the second heat-dissipating element of the heat-dissipating unit is connected in parallel; the first inlet end of the first heat-dissipating element and the second inlet end of the second heat-dissipating element of each heat-dissipating unit is connected to the inlet pipeline; and the first outlet end of the first heat-dissipating element and the second outlet end of the second heat-dissipating element of each heat-dissipating unit is connected to the outlet pipeline.
 7. The heat dissipation device as claimed in claim 6, wherein the first heat-dissipating element of each heat-dissipating unit is connected to the second heat-dissipating element of the heat-dissipating unit is connected in series; the first inlet end of the first heat-dissipating element of each heat-dissipating unit is connected to the inlet pipeline; the first outlet end of the first heat-dissipating element of each heat-dissipating unit is connected to the second outlet end of the second heat-dissipating element of the heat-dissipating unit; and the second outlet end of the second heat-dissipating element of each heat-dissipating unit is connected to the outlet pipeline.
 8. The heat dissipation device as claimed in claim 2, wherein each one of the at least one heat-dissipating unit further comprises a third heat-dissipating element having a third inlet end and a third outlet end.
 9. The heat dissipation device as claimed in claim 8, wherein the first heat-dissipating element, the second heat-dissipating element and the third heat-dissipating element of each one of the at least one heat-dissipating unit are connected to each other in parallel; the first inlet end, the second inlet end and the third inlet of each one of the at least one heat-dissipating unit end are connected to the inlet tube of the heat-dissipating unit; and the first outlet end, the second outlet end and the third outlet end of each one of the at least one heat-dissipating unit are connected to the outlet tube of the heat-dissipating unit.
 10. The heat dissipation device as claimed in claim 8, wherein the first heat-dissipating element, the second heat-dissipating element and the third heat-dissipating element of each one of the at least one heat-dissipating unit are connected to each other in series; and the inlet tube of each one of the at least one heat-dissipating unit is connected to the first inlet end of the first heat-dissipating element of the heat-dissipating unit; the first outlet end of the first heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the second inlet end of the second heat-dissipating element of the heat-dissipating unit; the second outlet end of the second heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the third inlet end of the third heat-dissipating element of the heat-dissipating unit; and the third outlet end of the third heat-dissipating element of each one of the at least one heat-dissipating unit is connected to the outlet tube of the heat-dissipating unit. 